﻿///
/// Copyright (c) 2008, Aaron G. Daisley-Harrison
/// All rights reserved.
/// 
/// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
/// 
/// * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
/// 
/// * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
/// 
/// * Neither the name of Daisley-Harison Software nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
/// 
/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
/// BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
/// SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
/// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
/// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
/// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
/// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
///
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Media.Media3D;

namespace DaisleyHarrison.Wavefront
{
    public class Group
    {
        public enum Types
        {
            Standard,
            Smooth,
            Merge
        }
        public const string UNDEFINED = "nogroup";
        public string Name { get; set; }
        public Types Type { get; set; }
        public DefinedMaterial Material { get; set; }
        public MeshGeometry3D Mesh { get; set; }
        public Group()
        {
            this.Mesh = new MeshGeometry3D();
        }
        public Group(string name)
        {
            this.Name = name;
            this.Mesh = new MeshGeometry3D();
        }
        public Group(string name, MeshGeometry3D mesh)
        {
            this.Name = name;
            this.Mesh = mesh;
        }
        private const string TO_STRING_FORMAT = "Group{{ Name=\"{0}\", Type={1}, Material=\"{2}\"}}";
        public override string ToString()
        {
            return string.Format( TO_STRING_FORMAT, this.Name, this.Type, this.Material );
        }
        private GeometryModel3D _model; 
        public GeometryModel3D BuildModel()
        {
            if (_model == null)
            {
                _model = new GeometryModel3D();
                _model.Geometry = this.Mesh;
                if (this.Material != null)
                {
                    _model.Material = this.Material.BuildMaterial();
                }
            }
            return _model;
        }
    }
}
